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schepotkina [342]
3 years ago
12

Which measurement is a reasonable height for a child? Explain your choice

Mathematics
2 answers:
Helen [10]3 years ago
6 0
A for sure
If you multiple 1.39 times 10 squared you get 139cm which is about 54in.


kykrilka [37]3 years ago
5 0

Answer:

A

Step-by-step explanation:

because a is 139cm and child is 139 cm not 830000 or not 1.48

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Serjik [45]

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7 0
2 years ago
10. An arithmetic sequence has this recursive formula. What is the explicit formula?​
Mrrafil [7]

Answer:

a_{n}=45-3n

Step-by-step explanation:

Method 1:

Arithmetic sequence is in the form

a_{n} =a_{1} +(n-1)d\\

d is the common difference, can be found by:

d=a_{n}-a_{n-1}=-3

Subtituting the a_{1} and d

You get:

a_{n}=42+(-3)(n-1)=45-3n

Method 2 (Mathematical induction):

Assume it is in form a_{n}=45-3n

Base step: a_{1} =45-3(1)=42

Inducive hypophesis: a_{n}=45-3n

GIven: a_{n+1} =a_{n}-3

a_{n+1}=45-3n-3=45-3(n+1)

Proved by mathematical induction

a_{n}=45-3n

5 0
3 years ago
The rational number 5 3/7 is equal to <br><br><br> is equal to
Andrei [34K]

Answer:

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Step-by-step explanation:

7 0
3 years ago
How to solve this problem <br><br>.         0.3 [1.57 – (0.6)²]
love history [14]
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3 0
3 years ago
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Answer:

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hope this help

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3 years ago
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